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  Date: 2023/6/20
  Time: 10:28
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>title</title>
</head>
<body background="4.jpg" style="text-align: center">
<a href="index.jsp" style="margin-top: 800px" ><h4>返回</h4></a>


<br><br><a href="echarts.jsp" ><button><h3>各学期男女总人数</h3></button></a>
<br><br><br>

<a href="echarts1.jsp" ><button><h3>男女人数总和</h3></button></a>


</body>
</html>
